000 00288 a2200121 4500
041 _aEnglish
082 _a563.78
_bINS
245 _aInsects and their control block-1
260 _aSri Lanka
_bThe Open University
300 _a201p, 63p.
650 _aZoological Sciences
942 _cLEB
999 _c22321
_d22321